Home / 21,849.34-32,742.28-11,845.62

Finding the Fourth Proportional to 21,849.34, 32,742.28 and 11,845.62

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Solution

The fourth proportional to 21,849.34, 32,742.28 and 11,845.62 is: 17,751.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,849.34 : 32,742.28 = 11,845.62 : x
  2. Step 2: Convert to fraction form
    21,849.34/32,742.28 = 11,845.62/x
  3. Step 3: Cross multiply
    21,849.34x = 32,742.28 × 11,845.62
  4. Step 4: Simplify right side
    21,849.34x = 387,852,606.81
  5. Step 5: Solve for x
    x = 387,852,606.81/21,849.34
  6. Step 6: Final answer
    x = 17,751.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.